E32221362_BeramalBaik/lib/pages/home_page.dart

410 lines
14 KiB
Dart

import 'dart:async';
import 'package:cloud_firestore/cloud_firestore.dart';
import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:fl_chart/fl_chart.dart';
import 'package:firebase_database/firebase_database.dart';
import '../services/auth_service.dart';
class HomePage extends StatefulWidget {
const HomePage({super.key});
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
final AuthService _authService = AuthService();
bool isLoading = true;
double totalKeseluruhan = 0;
late DatabaseReference _totalRef;
StreamSubscription<DatabaseEvent>? _totalSub;
Map<String, double> grafikMingguan = {};
List<Map<String, dynamic>> recentList = [];
@override
void initState() {
super.initState();
_startTotalListener();
fetchData();
}
void _startTotalListener() {
_totalRef = FirebaseDatabase.instance.ref('kotak_amal/total_uang');
_totalSub = _totalRef.onValue.listen((event) {
final val = event.snapshot.value;
setState(() {
totalKeseluruhan = double.tryParse(val?.toString() ?? '0') ?? 0;
});
});
}
@override
void dispose() {
_totalSub?.cancel();
super.dispose();
}
Future<void> fetchData() async {
setState(() => isLoading = true);
try {
final firestore = FirebaseFirestore.instance;
final snapshot = await firestore.collection('history_kotak_amal').get();
DateTime now = DateTime.now();
DateFormat formatter = DateFormat('yyyy-MM-dd');
List<String> last7Days = List.generate(
7,
(i) => formatter.format(now.subtract(Duration(days: 6 - i))),
);
Map<String, double> tempGrafik = {for (var d in last7Days) d: 0};
List<Map<String, dynamic>> tempRecent = [];
for (var doc in snapshot.docs) {
final data = doc.data();
if (data.containsKey('timestamp') && data.containsKey('nominal_uang')) {
Timestamp ts = data['timestamp'];
DateTime dt = ts.toDate();
String dateStr = formatter.format(dt);
if (last7Days.contains(dateStr)) {
tempGrafik[dateStr] = (tempGrafik[dateStr] ?? 0) + (data['nominal_uang'] as num).toDouble();
}
tempRecent.add({
'nominal': data['nominal_uang'],
'timestamp': dt,
});
}
}
tempRecent.sort((a, b) => b['timestamp'].compareTo(a['timestamp']));
setState(() {
grafikMingguan = {
for (var date in last7Days) date: tempGrafik[date] ?? 0
};
recentList = tempRecent.take(10).toList();
isLoading = false;
});
} catch (e) {
debugPrint('Error fetchData: $e');
setState(() => isLoading = false);
}
}
Widget _buildTotalCard() {
return Container(
padding: const EdgeInsets.all(20),
decoration: BoxDecoration(
gradient: LinearGradient(
colors: [Colors.green.shade100, Colors.green.shade300],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
borderRadius: BorderRadius.circular(20),
boxShadow: [
BoxShadow(
color: Colors.green.shade200,
blurRadius: 10,
offset: const Offset(0, 4),
),
],
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.center,
children: [
const Icon(Icons.volunteer_activism, size: 36, color: Colors.green),
const SizedBox(height: 12),
const Text(
'Total Infak Terkumpul',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.black87,
),
),
const SizedBox(height: 8),
Text(
'Rp ${totalKeseluruhan.toStringAsFixed(0)}',
style: const TextStyle(
fontSize: 28,
fontWeight: FontWeight.bold,
color: Color(0xFF1B5E20),
),
),
],
),
);
}
Widget _buildChartCard() {
final entries = grafikMingguan.entries.toList();
final spots = entries.asMap().entries.map((entry) => FlSpot(entry.key.toDouble(), entry.value.value)).toList();
if (spots.isEmpty) return _buildEmptyChartMessage();
final maxY = (grafikMingguan.values.reduce((a, b) => a > b ? a : b) * 1.2).ceilToDouble();
final yInterval = (maxY / 5).ceilToDouble();
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
elevation: 4,
color: Colors.green.shade50,
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
children: [
Text(
'Grafik Infak Mingguan',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.green.shade900,
),
),
const SizedBox(height: 16),
SizedBox(
height: 250,
child: LineChart(
LineChartData(
minY: 0,
maxY: maxY,
gridData: FlGridData(
show: true,
horizontalInterval: yInterval,
getDrawingHorizontalLine: (value) => FlLine(
color: Colors.grey.shade300,
strokeWidth: 1,
),
),
borderData: FlBorderData(show: true, border: Border.all(color: Colors.green.shade400)),
titlesData: FlTitlesData(
bottomTitles: AxisTitles(
sideTitles: SideTitles(
showTitles: true,
interval: 1,
getTitlesWidget: (value, _) {
final index = value.toInt();
if (index >= 0 && index < grafikMingguan.length) {
final dateStr = grafikMingguan.keys.elementAt(index);
final date = DateTime.tryParse(dateStr);
if (date != null) {
final hari = DateFormat('E', 'id_ID').format(date);
return Padding(
padding: const EdgeInsets.only(top: 8),
child: Text(
hari,
style: TextStyle(
color: Colors.green.shade800,
fontWeight: FontWeight.w500,
fontSize: 12,
),
),
);
}
}
return const SizedBox();
},
),
),
leftTitles: AxisTitles(
sideTitles: SideTitles(
showTitles: true,
interval: yInterval,
reservedSize: 42,
getTitlesWidget: (value, _) {
if (value >= 1000000) {
return Text('${(value / 1000000).toStringAsFixed(1)}M', style: const TextStyle(fontSize: 11));
} else if (value >= 1000) {
return Text('${(value / 1000).toStringAsFixed(0)}K', style: const TextStyle(fontSize: 11));
} else {
return Text(value.toStringAsFixed(0), style: const TextStyle(fontSize: 11));
}
},
),
),
topTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
rightTitles: AxisTitles(sideTitles: SideTitles(showTitles: false)),
),
lineBarsData: [
LineChartBarData(
spots: spots,
isCurved: true,
color: Colors.green.shade700,
barWidth: 3,
dotData: FlDotData(show: true),
belowBarData: BarAreaData(show: true, color: Colors.green.shade200.withOpacity(0.3)),
),
],
),
),
),
],
),
),
);
}
Widget _buildEmptyChartMessage() {
return Card(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
elevation: 4,
color: Colors.green.shade50,
child: Padding(
padding: const EdgeInsets.all(24),
child: Column(
children: [
Icon(Icons.bar_chart, color: Colors.green.shade400, size: 48),
const SizedBox(height: 12),
Text(
'Belum ada data infak minggu ini',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Colors.green.shade800,
),
),
],
),
),
);
}
Widget _buildRecentList() {
final displayList = recentList.take(3).toList();
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(
'Detail Infak Terakhir',
style: TextStyle(
fontSize: 20,
fontWeight: FontWeight.bold,
color: Colors.green.shade900,
),
),
TextButton(
onPressed: () => _showAllRecentDialog(),
child: const Text('Lihat Semua'),
),
],
),
const SizedBox(height: 12),
...displayList.map((item) {
final DateTime waktu = item['timestamp'];
final double nominal = item['nominal'] is num ? (item['nominal'] as num).toDouble() : 0;
return Card(
elevation: 2,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(10)),
margin: const EdgeInsets.symmetric(vertical: 6),
child: ListTile(
leading: const Icon(Icons.monetization_on, color: Colors.green),
title: Text("Rp ${nominal.toStringAsFixed(0)}"),
subtitle: Text(DateFormat('dd MMM yyyy, HH:mm').format(waktu)),
),
);
}),
],
);
}
void _showAllRecentDialog() {
showDialog(
context: context,
builder: (_) {
return AlertDialog(
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: const Text('Semua Transaksi Terbaru'),
content: SizedBox(
width: double.maxFinite,
child: ListView.builder(
shrinkWrap: true,
itemCount: recentList.length,
itemBuilder: (_, index) {
final item = recentList[index];
final waktu = item['timestamp'] as DateTime;
final nominal = item['nominal'] as double;
return ListTile(
leading: const Icon(Icons.monetization_on, color: Colors.green),
title: Text("Rp ${nominal.toStringAsFixed(0)}"),
subtitle: Text(DateFormat('dd MMM yyyy, HH:mm').format(waktu)),
);
},
),
),
actions: [
TextButton(
onPressed: () => Navigator.of(context).pop(),
child: const Text('Tutup'),
),
],
);
},
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
backgroundColor: Colors.green[700],
title: const Text('BeramalBaik', style: TextStyle(color: Colors.white)),
centerTitle: true,
),
drawer: Drawer(
child: ListView(
children: [
DrawerHeader(
decoration: BoxDecoration(color: Colors.green[700]),
child: const Center(child: Text('Menu', style: TextStyle(color: Colors.white, fontSize: 28))),
),
ListTile(
leading: const Icon(Icons.monitor),
title: const Text('Monitoring'),
onTap: () => Navigator.pushNamed(context, '/monitoring'),
),
ListTile(
leading: const Icon(Icons.insert_chart),
title: const Text('Report'),
onTap: () => Navigator.pushNamed(context, '/report'),
),
ListTile(
leading: const Icon(Icons.logout),
title: const Text('Logout'),
onTap: () {
_authService.logout(context);
},
),
],
),
),
body: isLoading
? const Center(child: CircularProgressIndicator())
: RefreshIndicator(
onRefresh: fetchData,
child: SingleChildScrollView(
physics: const AlwaysScrollableScrollPhysics(),
padding: const EdgeInsets.symmetric(vertical: 24, horizontal: 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
_buildTotalCard(),
const SizedBox(height: 16),
_buildChartCard(),
const SizedBox(height: 24),
_buildRecentList(),
],
),
),
),
);
}
}